Cytotoxic T cells and NK cells kill by secretion of proteins. The first called perforin which forms complexes that penetrate the cell membrane and allows the passage of the apoptosis inducing protein granzyme to enter the targeted cell
Indicate whether the statement is true or false
TRUE
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Most blood vessels are innervated by the sympathetic division alone
Indicate whether the statement is true or false
Contraction of the ________ alters the shape of the intestinal lumen and moves epithelial pleats and folds
A) mucosa B) submucosa C) submucosal neural plexus D) muscularis mucosa E) adventitia
Thrush is caused by inflammation and enlargement of rectal veins
a. True b. False Indicate whether the statement is true or false
Injury to cervical vertebra C3-C4 is particularly problematic because ________
A) several ganglia are near this region that serve the heart B) the greater auricular nerve that serve the parotid gland receive there fibers from here C) the phrenic nerve that serves the diaphragm receives its fibers from here D) part of the brain stem is located here